ok, this is my second panther that has had this knock. not a berring, not a wrist pin, from what I read It has the exact same symtoms as a VCT knock. http://www.stangnet.com/images/stori...SBs/06-4-7.pdf I know it's not a 4.6 but it's the same idea. http://www.youtube.com/watch?v=Ba-oy...eature=related how do I fix lol.